OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-11cb9b-0): addr:d2:f0:e3:de:6e:f5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b2:ce:b1:77:a1:99
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
